RE : IO-APIC says: unexpected IO-APIC was found

From: Paul Rolland (rol@as2917.net)
Date: Mon Jan 20 2003 - 13:21:23 EST


Got the same with an ASUS P4S8X...

Sent a mail to linux-smp@vger.kernel.org, as requested, but got
no news...

If you get some, please tell ;-)

Regards,
Paul

> -----Original Message-----
> From: linux-kernel-owner@vger.kernel.org
> [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of
> AnonimoVeneziano
> Sent: Monday, January 20, 2003 5:50 PM
> To: LKML
> Subject: IO-APIC says: unexpected IO-APIC was found
>
>
> Hi , I use on a system composed by a MSI KT4 Ultra
> Motherboard (KT400 -
> vt8235 Bios 1.3) and an Athlon XP 2400+ the kernel 2.4.21-pre3-ac4
> with enabled UP-APIC and UP_IO_APIC.
>
> When I start the system the log says:
>
> > 00000000
> > CPU: AMD Athlon(tm) XP 2400+ stepping 01
> > Enabling fast FPU save and restore... done.
> > Enabling unmasked SIMD FPU exception support... done.
> Checking 'hlt'
> > instruction... OK. POSIX conformance testing by UNIFIX
> > enabled ExtINT on CPU#0
> > ESR value before enabling vector: 00000080
> > ESR value after enabling vector: 00000000
> > ENABLING IO-APIC IRQs
> > Setting 2 in the phys_id_present_map
> > ...changing IO-APIC physical APIC ID to 2 ... ok.
> > init IO_APIC IRQs
> > IO-APIC (apicid-pin) 2-0, 2-10, 2-11, 2-17, 2-19, 2-20,
> 2-21, 2-22,
> > 2-23 not connected.
> > ..TIMER: vector=0x31 pin1=2 pin2=0
> > number of MP IRQ sources: 17.
> > number of IO-APIC #2 registers: 24.
> > testing the IO APIC.......................
> >
> > IO APIC #2......
> > .... register #00: 02000000
> > ....... : physical APIC id: 02
> > .... register #01: 00178003
> > ....... : max redirection entries: 0017
> > ....... : PRQ implemented: 1
> > ....... : IO APIC version: 0003
> > An unexpected IO-APIC was found. If this kernel release is
> less than
> > three months old please report this to
> linux-smp@vger.kernel.org ....
> > IRQ redirection table:
> > NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
> > 00 000 00 1 0 0 0 0 0 0 00
> > 01 001 01 0 0 0 0 0 1 1 39
> > 02 001 01 0 0 0 0 0 1 1 31
> > 03 001 01 0 0 0 0 0 1 1 41
> > 04 001 01 0 0 0 0 0 1 1 49
> > 05 001 01 0 0 0 0 0 1 1 51
> > 06 001 01 0 0 0 0 0 1 1 59
> > 07 001 01 0 0 0 0 0 1 1 61
> > 08 001 01 0 0 0 0 0 1 1 69
> > 09 001 01 0 0 0 0 0 1 1 71
> > 0a 000 00 1 0 0 0 0 0 0 00
> > 0b 000 00 1 0 0 0 0 0 0 00
> > 0c 001 01 0 0 0 0 0 1 1 79
> > 0d 001 01 0 0 0 0 0 1 1 81
> > 0e 001 01 0 0 0 0 0 1 1 89
> > 0f 001 01 0 0 0 0 0 1 1 91
> > 10 001 01 1 1 0 1 0 1 1 99
> > 11 000 00 1 0 0 0 0 0 0 00
> > 12 001 01 1 1 0 1 0 1 1 A1
> > 13 000 00 1 0 0 0 0 0 0 00
> > 14 000 00 1 0 0 0 0 0 0 00
> > 15 000 00 1 0 0 0 0 0 0 00
> > 16 000 00 1 0 0 0 0 0 0 00
> > 17 000 00 1 0 0 0 0 0 0 00
> > IRQ to pin mappings:
> > IRQ0 -> 0:2
> > IRQ1 -> 0:1
> > IRQ3 -> 0:3
> > IRQ4 -> 0:4
> > IRQ5 -> 0:5
> > IRQ6 -> 0:6
> > IRQ7 -> 0:7
> > IRQ8 -> 0:8
> > IRQ9 -> 0:9
> > IRQ12 -> 0:12
> > IRQ13 -> 0:13
> > IRQ14 -> 0:14
> > IRQ15 -> 0:15
> > IRQ16 -> 0:16
> > IRQ18 -> 0:18
> > .................................... done.
> > Using local APIC timer interrupts.
> > calibrating APIC timer ...
>
> Unexpected IO-APIC was found???
>
> I've tried to compile the kernel without IO-APIC, with only
> UP-APIC, but
> it during the start
> says:
>
> spurious 8259A interrupt: IRQ7 ????????? What does it mean??
>
> What is my problem with APIC??
>
> Thanks
>
> Bye
>
> Marcello
>
>
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